Centrifuge rotor



FIG. 1 is a top perspective view of a centrifuge rotor showing my new design;

FIG. 2 is an enlarged perspective view of area 2 in FIG. 1;

FIG. 3 is a top plan view thereof;

FIG. 4 is a cross-sectional view taken along line 4-4 of FIG. 3;

FIG. 5 is an enlarged perspective view of area 5 in FIG. 4;

FIG. 6 is a cross-sectional view taken along line 6-6 of FIG. 3;

FIG. 7 is an enlarged perspective view of area 7 in FIG. 6;

FIG. 8 is a cross-sectional view taken along line 8-8 of FIG. 3; and,

FIG. 9 is an enlarged perspective view of area 9 in FIG. 8.

The light dash lines in the drawings depict portions of the centrifuge rotor that form no part of the claimed design. The dot-dash-dot lines depict the boundaries of the claimed design and form no part thereof. The boundary lines shown in FIGS. 1 and 2 also illustrate the boundaries of the enlarged view that form no part of the claimed design. The bold dash lines in the drawings depict the boundaries of the enlarged views and form no part of the claimed design. 

CLAIM The ornamental design for a centrifuge rotor, as shown and described. 